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Since energy conservation is involved (friction is neglected) in both mass and earth
Loss in potential energy is converted to kinetic energy in both cases.
=> Mg (H - h) = mv -> (i)
H=height of the ball after hitting the ground
M=mass of ball
G=gr

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NOTE: Throughout this unit, it is taken that Coulombs Constant,
Also, that the electronic charge,
k 8.99 109 Nm 2 / C 2
qe 1.602 1019 C
33. Developing an Electrostatic Series Lab Exercises
i.
The results from the lab exercise were as in the attach

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Loss in potential energy is converted to kinetic energy in both cases.
=> Mg (H - h) = mv -> (i)
H=height of the ball after hitting the ground
M=mass of ball
G=gravitational acceleration
Small h=initial height of the ball
also the time taken to re